Question

Find my attached question or see the question below.

The marks of 20 students in Physics are given below 56, 32, 57, 74, 12, 45, 68, 87, 11, 34, 53, 23, 47, 24, 78, 37, 68, 79, 44, 67. a). Find the average marks. b). Divide the class into two groups on the basis of class peformance.

Who give me fast and right answer I'll mark him/her brainliest​

Answer 1

average is 932.35

this is your average

and

sorry can't give second one

Answer 2

Answer:

first arrange them in ascending order .....nd thn add all upon no. of mrkes .....